Future water supplies from the Ogallala Aquifer are a concern near Wildorado, Texas, and three young brothers are using their natural flair for acquiring technology to help extend the resource. They are staking their own and their families' futures on the likelihood that they will have water throughout their farming careers.

"Water is a long-term concern, always in the back of your mind," notes Brittan Gruhlkey, who is 25. "It's why we're trying to do things to maximize the amount we are using. Do I think we're going to be out in 10 ...